<template>
  <div id="app">
    <van-nav-bar title="标题" left-text="返回" right-text="按钮" left-arrow />
  </div>
</template>

<script lang="ts">
import { defineComponent } from "vue";
const App = defineComponent({
  props: {},
});
export default App;
</script>

<style></style>
